Illuminate\Contracts\Container\BindingResolutionException Target class [App Controller] does not exist. code example

Example 1: Target class [] does not exist.

composer dump-autoload

Example 2: Illuminate\Contracts\Container\BindingResolutionExceptionTarget class [ProjectController] does not exist.

# ajouter le controller
use App\Http\Controllers\ProjectController;


Route::resource('/projects', ProjectController::class);